JP6441330B2 - 熱安定性が改善されたセロビオハイドロラーゼ - Google Patents
熱安定性が改善されたセロビオハイドロラーゼ Download PDFInfo
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- C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
- C12N9/2405—Glucanases
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- C12P19/14—Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase
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Description
項1.
配列番号1に示されるアミノ酸配列、配列番号1に示されるアミノ酸配列と85%以上の同一性を有するアミノ酸配列、或いは配列番号1に示されるアミノ酸配列において1又は数個のアミノ酸が置換、挿入、付加、及び/又は欠失されたアミノ酸配列において、下記(A)及び/又は(B)の変異:
(A)S42Q、T43E、K45T、S46A、G47P、N53Q、S54N、T262G、S298P、A426P、及びV451Fから成る群より選択される1種以上のアミノ酸置換;
(B)配列番号1に示されるアミノ酸配列における第413位〜第416番目のアミノ酸領域の配列番号2で示されるアミノ酸配列との置換;
を有し、且つ、
セロビオハイドロラーゼ活性、及び
改善された熱安定性、
を有する、ポリペプチド。
項2.
項1に記載のポリペプチドをコードするポリヌクレオチド。
項3.
項2に記載のポリヌクレオチドを組み込んだ発現ベクター。
項4.
項3に記載のベクターで形質転換された形質転換体。
項5.
項4に記載の形質転換体を培養する工程を含む、項1に記載のポリペプチドの製造方法。項6.
項1に記載のポリペプチドをセルロースを含む試料に作用させる工程を含む、セロビオースを製造する方法。
Claims (6)
- 配列番号1に示されるアミノ酸配列、配列番号1に示されるアミノ酸配列と90%以上の同一性を有するアミノ酸配列、或いは配列番号1に示されるアミノ酸配列において1〜50個のアミノ酸が置換、挿入、付加、及び/又は欠失されたアミノ酸配列において、下記(A)、(B)、及び(C)から成る群より選択される1種以上の変異:
(A)S42Q、T43E、K45T、S46A、G47P、N53Q、及びS54N;
(B)T262G及び/又はS298P;
(C)配列番号1に示されるアミノ酸配列における第413位〜第416番目のアミノ酸領域の配列番号2で示されるアミノ酸配列との置換;
を有し、且つ、
セロビオハイドロラーゼ活性、及び
改善された熱安定性、
を有する、ポリペプチド。 - 請求項1に記載のポリペプチドをコードするポリヌクレオチド。
- 請求項2に記載のポリヌクレオチドを組み込んだ発現ベクター。
- 請求項3に記載のベクターで形質転換された形質転換体。
- 請求項4に記載の形質転換体を培養する工程を含む、請求項1に記載のポリペプチドの製造方法。
- 請求項1に記載のポリペプチドをセルロースを含む試料に作用させる工程を含む、セロビオースを製造する方法。
Applications Claiming Priority (3)
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JP2014109035 | 2014-05-27 | ||
JP2014109035 | 2014-05-27 | ||
PCT/JP2015/064994 WO2015182570A1 (ja) | 2014-05-27 | 2015-05-26 | 熱安定性が改善されたセロビオハイドロラーゼ |
Publications (2)
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JPWO2015182570A1 JPWO2015182570A1 (ja) | 2017-04-20 |
JP6441330B2 true JP6441330B2 (ja) | 2018-12-19 |
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JP2016523493A Active JP6441330B2 (ja) | 2014-05-27 | 2015-05-26 | 熱安定性が改善されたセロビオハイドロラーゼ |
Country Status (3)
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US (1) | US10047351B2 (ja) |
JP (1) | JP6441330B2 (ja) |
WO (1) | WO2015182570A1 (ja) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4257759B2 (ja) * | 1999-07-06 | 2009-04-22 | 明治製菓株式会社 | 新規なプロモーター、及びそれを用いたタンパク質の発現方法 |
DK1578943T3 (da) | 2002-08-16 | 2012-01-09 | Danisco Us Inc | Nye variant-Hypocrea jecorina-CBH1-cellulaser |
MY160710A (en) * | 2006-02-10 | 2017-03-15 | Verenium Corp | Cellulolytic enzymes, nucleic acids encoding them and methods for making and using them |
JP5771920B2 (ja) * | 2010-08-20 | 2015-09-02 | 株式会社豊田中央研究所 | 耐熱性セロビオヒドロラーゼ及びその利用 |
EP2625268B1 (en) * | 2010-10-06 | 2015-12-30 | BP Corporation North America Inc. | Variant cbh i polypeptides |
US8790894B2 (en) | 2011-01-31 | 2014-07-29 | Dsm Ip Assets B.V. | Mutant cellobiohydrolase |
US9580735B2 (en) | 2012-01-06 | 2017-02-28 | Honda Motor Co., Ltd. | Saccharifying enzyme composition and method for producing saccharified solution using the same |
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2015
- 2015-05-26 JP JP2016523493A patent/JP6441330B2/ja active Active
- 2015-05-26 WO PCT/JP2015/064994 patent/WO2015182570A1/ja active Application Filing
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Also Published As
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WO2015182570A1 (ja) | 2015-12-03 |
JPWO2015182570A1 (ja) | 2017-04-20 |
US10047351B2 (en) | 2018-08-14 |
US20170191048A1 (en) | 2017-07-06 |
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